79312801 has 4 divisors (see below), whose sum is σ = 79332912. Its totient is φ = 79292692.

The previous prime is 79312777. The next prime is 79312811. The reversal of 79312801 is 10821397.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79312801 - 2¹¹ = 79310753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79312811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (19833228).

Almost surely, 2^79312801 is an apocalyptic number.

It is an amenable number.

79312801 is a deficient number, since it is larger than the sum of its proper divisors (20111).

79312801 is a wasteful number, since it uses less digits than its factorization.

79312801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 79312801 is about 8905.7734644443. The cubic root of 79312801 is about 429.6496172204.

The spelling of 79312801 in words is "seventy-nine million, three hundred twelve thousand, eight hundred one".